20545524

素因数分解:

$2^2\times 3^2\times {\mathrm{197}}^1\times {\mathrm{2897}}^1$

素因数の和:3104

約数の個数: 36

約数和(自身を含む): 52216164

約数和(自身を除く): 31670640

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 197, 394, 591, 788, 1182, 1773, 2364, 2897, 3546, 5794, 7092, 8691, 11588, 17382, 26073, 34764, 52146, 104292, 570709, 1141418, 1712127, 2282836, 3424254, 5136381, 6848508, 10272762, 20545524]

約数ペア:

[(1, 20545524), (2, 10272762), (3, 6848508), (4, 5136381), (6, 3424254), (9, 2282836), (12, 1712127), (18, 1141418), (36, 570709), (197, 104292), (394, 52146), (591, 34764), (788, 26073), (1182, 17382), (1773, 11588), (2364, 8691), (2897, 7092), (3546, 5794)]